Patents by Inventor Antoinette de Janasz

Antoinette de Janasz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Tooth timer
    Patent number: D420923
    Type: Grant
    Filed: April 20, 1999
    Date of Patent: February 22, 2000
    Inventor: Antoinette de Janasz